Datasheet

Electrical Characteristics
R
218 Datasheet
Symbol Signal
Group
Parameter Min Nom Max Unit Notes
Reference Voltages (mobile Celeron processor only
HAVREF (d) Host Address and
Reference Voltage
(0.66 x
V
TTLF) – 2%
0
.66 x VTTL
F
(0.66 x
VTTLF)+
2%
V 2
HDVREF[2:0] (d) Host Data
Reference Voltage
(0.66 x
V
TTLF) – 2%
0
.66 x VTTL
F
(0.66 x
VTTLF)+
2%
V 2
HCCVREF (d) Host Common Clock
Voltage
(0.66 x
V
TTLF) – 2%
0
.66 x VTTL
F
(0.66 x
VTTLF)+
2%
V 2
Reference Voltages
HXSWING
HYSWING
(d) Host Compensation
Reference Voltage
(
0.33 x VTT)
–
2%
0.33 x VTT (0.33 x
VTT) +
2%
V
HLVREF (m) Hub Interface
Reference Voltage
0.343 0.350 0.357 V
SMVREF_0 (p) DDR SDRAM
Reference Voltage
0.49 x
VCCSM
0.50 x
VCCSM
0.51 x
VCCSM
V
GVREF (g) DVO Reference
Voltage
(0.50 x
VCCDVO) –
2%
0.50 x
VCCDVO
(0.50 x
VCCDVO
) + 2%
V
PSWING (m) RCOMP Buffer
Differential Amp
Reference Voltage
0.8 – 2% 0.8 0.8 + 2% V
SMVSWINGH (p) System Memory
RCOMP Buffer
Differential Amp
Reference Voltage
(VCCSM x
0.8) - 2%
V
CCSM x 0.
8
(VCCSM
x 0.8) +
2%
V
SMVSWINGL (p) System Memory
RCOMP Buffer
Differential Amp
Reference Voltage
(VCCSM x
0.2) - 2%
V
CCSM x 0.
2
(VCCSM
x 0.2) +
2%
V
Host Interface(mobile Pentium 4 processor and Celeron processor only )
V
IL_H
(a), (c) Host AGTL+ Input
Low Voltage
-0.10 0 (0.66xVT
T)– 0.1
V
V
IH_H
(a),(c) Host AGTL+ Input
High Voltage
(0.66 x VTT)
+ 0.1
VTT VTT + 0.1 V
V
OL_H
(a),(b) Host AGTL+ Output
Low Voltage
(0.33 x
VTT) +
0.1
V
V
OH_H
(a),(b) Host AGTL+ Output
High Voltage
VTT-0.1 VTT V
I
OL_H
(a),(b) Host AGTL+ Output
Low Current
VTT
max
/
0.75Rtt
min
mA Rtt
min
=45
Ω